Rädlinger Primus Line GmbH

- Assembly Connectors

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At the ends, the Primus Line hose is connected to the existing pipe using Primus Line connectors. The high-pressure connector consists of a contoured internal core and external sleeve. The external sleeve has a malleable steel jacket on the inside. A resin, which is injected through a valve on the external sleeve, forces the external steel sleeve and Primus Line into the contours of the connector core. So we obtain a durable, pull-proof connection.

After pressure-resistant sealing of the connector on the rehabilitated pipe section, a leak test is performed.

Depending on requirements, the Primus Line can be fitted either with a flange or welded ends. In this way, it is also possible to join bends, tees or other fittings and fixtures (made of different materials).

  • Host pipe
  • Connector with welded ends
  • Host pipe
  • Primus Line hose
  • Welded seam

 

  • Host pipe
  • Primus Line Connector with flange
  • Fitting piece
  • Host pipe  
  • Primus Line hose
  • Flange

Primus Line transports

  • Natural gas
  • Petroleum
  • Drinking water and sewage
  • Industrial water and domestic water
  • Salt water
  • Chemicals
  • Abrasive materials

Primus Line renews pipe materials and their connectors

  • Steel
  • Plastic
  • Casting
  • Concrete
  • Stoneware
  • Fibreglass

Primus Line is used for

  • Renewing damaged pipes
  • Increasing pressure

Primus Line is also used as

  • Corrosion protection inside the pipe
  • Bypass
  • Emergency supply

Compared to open construction, trenchless construction methods have environmental and economic benefits.

In terms of environmental protection and constant increasing traffic density laying pipes without damaging the surface makes economic sense. Because of the expense of road surfaces, soil replacement and high groundwater levels, trenchless design can be more economical than conventional construction even at relatively shallow depths.

In addition, there are also considerable economic savings such as the avoidance of congestion, environmental protection and the elimination of weather-related downtime.

Benefits at a Glance

  • Low intervention in landscapes and protected areas
  • No disruption to road, rail and shipping traffic
  • Reduction of noise and emissions
  • Low interference with existing building fabric
  • Protection of vegetation and species due to small construction sites
  • Sustainability due to the use of existing infrastructure (host pipes)

Easy to Use

  • Reduced use of machinery
  • Fast recommissioning
  • Short construction period due to long insertion lengths
  • Omission or limitation of groundwater treatment
  • Up to 4,500 m at a time can be delivered on a transport drum
  • Full piggability, also during operation
  • Coarse cleaning of the host pipe only, as no adhesive is required   
  • Elimination of digging and transporting of large soil masses
  • Small pits and reduction of roadworks

High Strength and Quality

  • Pipe renovation with a lifetime of at least 50 years
  • High abrasion and cut resistance of the outer coating
  • No corrosion of Primus Line
  • Temperature-proof to 50° Celsius

High Flexibility

  • Insertion through bends of up to 30°
  • Fewer construction pits due to bendability

High Performance

  • Minimal cross-section loss due to low wall thickness of 6.5 and 9.0 mm
  • Improved flow properties of the pipe

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